/*
 * Copyright 2011 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package net.peterkuterna.android.apps.devoxxsched.util;

import net.peterkuterna.android.apps.devoxxsched.R;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.net.Uri;

/**
 * Helper class for the Catch Notes integration, based on example code at
 * {@link https://github.com/catch/docs-api/}.
 */
public class CatchNotesHelper {
	private static final String TAG = "CatchNotesHelper";

	// Intent actions
	public static final String ACTION_ADD = "com.catchnotes.intent.action.ADD";
	public static final String ACTION_VIEW = "com.catchnotes.intent.action.VIEW";

	// Intent extras for ACTION_ADD
	public static final String EXTRA_SOURCE = "com.catchnotes.intent.extra.SOURCE";
	public static final String EXTRA_SOURCE_URL = "com.catchnotes.intent.extra.SOURCE_URL";

	// Intent extras for ACTION_VIEW
	public static final String EXTRA_VIEW_FILTER = "com.catchnotes.intent.extra.VIEW_FILTER";

	// Note: "3banana" was the original name of Catch Notes. Though it has been
	// rebranded, the package name must persist.
	private static final String NOTES_PACKAGE_NAME = "com.threebanana.notes";
	private static final String NOTES_MARKET_URI = "http://market.android.com/details?id="
			+ NOTES_PACKAGE_NAME;

	private static final int NOTES_MIN_VERSION_CODE = 54;

	private final Context mContext;

	public CatchNotesHelper(Context context) {
		mContext = context;
	}

	public Intent createNoteIntent(String message) {
		if (!isNotesInstalledAndMinimumVersion()) {
			return notesMarketIntent();
		}

		Intent intent = new Intent();
		intent.setAction(ACTION_ADD);
		intent.putExtra(Intent.EXTRA_TEXT, message);
		intent.putExtra(EXTRA_SOURCE, mContext.getString(R.string.app_name));
		intent.putExtra(EXTRA_SOURCE_URL, "http://www.google.com/io/");
		intent.putExtra(Intent.EXTRA_TITLE,
				mContext.getString(R.string.app_name));
		return intent;
	}

	public Intent viewNotesIntent(String tag) {
		if (!isNotesInstalledAndMinimumVersion()) {
			return notesMarketIntent();
		}

		if (!tag.startsWith("#")) {
			tag = "#" + tag;
		}

		Intent intent = new Intent();
		intent.setAction(ACTION_VIEW);
		intent.putExtra(EXTRA_VIEW_FILTER, tag);
		intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
		return intent;
	}

	/**
	 * Returns the installation status of Catch Notes.
	 */
	public boolean isNotesInstalledAndMinimumVersion() {
		try {
			PackageInfo packageInfo = mContext.getPackageManager()
					.getPackageInfo(NOTES_PACKAGE_NAME,
							PackageManager.GET_ACTIVITIES);

			if (packageInfo.versionCode < NOTES_MIN_VERSION_CODE) {
				return false;
			}
		} catch (Exception e) {
			return false;
		}

		return true;
	}

	public Intent notesMarketIntent() {
		Uri uri = Uri.parse(NOTES_MARKET_URI);
		Intent intent = new Intent(Intent.ACTION_VIEW, uri);
		intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
		return intent;
	}
}
